12 May 2021: Clinical Research
Performance of Diagnostic Model for Differentiating Between COVID-19 and Influenza: A 2-Center Retrospective Study
Jingwen Li 1E , Simin Li 2B , Xiaoming Qiu 3B , Wenyan Zhu 2F , Linfeng Li 2F , Bo Qin 1A*DOI: 10.12659/MSM.932361
Med Sci Monit 2021; 27:e932361
Table 1 Demographic features of patients with COVID-19 and influenza.
| Variables | COVID-19 (n=282) | Influenza (n=211) | P value |
|---|---|---|---|
| Age, y | 49.6±14.4 | 42.7±16.4 | * |
| Sex, Male: Female | 134: 148 | 120: 91 | 0.045* |
| Comorbidity, n (%) | |||
| Hypertension | 28 (9.9) | 46 (22.0) | * |
| Diabetes mellitus | 20 (7.1) | 37 (17.5) | * |
| Cardiovascular disease | 23 (8.2) | 29 (13.7) | 0.045* |
| Liver disease | 5 (1.8) | 2 (0.9) | 0.475 |
| Cancer | 4 (1.4) | 1 (0.5%) | 0.391 |
| Signs and symptoms, n (%) | |||
| Fever | 209 (74.1) | 101 (47.9) | * |
| Dry cough | 193 (68.4) | 64 (30.3) | * |
| Fatigue | 86 (30.5) | 10 (4.7) | * |
| Headache | 22 (7.8) | 8 (3.8) | 0.086 |
| Myalgia | 24 (8.5) | 2 (0.9) | * |
| Dyspnea | 19 (6.7) | 5 (2.4) | 0.033* |
| Nausea | 5 (1.8) | 7 (3.3) | 0.377 |
| Diarrhea | 16 (5.7) | 5 (2.4) | 0.113 |
| Pulse median, beats/min | 87±12 | 96±17 | * |
| Time from illness onset to hospital admission, d | 11.9±5.3 | 15.2±4.4 | 0.024* |
| * | |||